work inclined planes skeletal system muscular system digestive system

WorkInclined Planes

Skeletal SystemMuscular System

DIGESTIVE SYSTEM

5. What are the 5 organs of the digestive system?

MouthEsophagusStomachSmall IntestineLarge Intestine

12. Trenton ate a HUGE loaf of bread before football practice. In the

digestive system, what is going to happen to the bread? Why

It is going to breakdown into a sugar

1. Do the body systems work together?

Yes, to maintain balance in the body

20. When we were closing the door from 3 different points, when did it

require the least amount of force….when you were close to or far

away from the hinges?

Far away from hinges – as you increase the distance, the force required decreases

4. What is the main function of the digestive

system?

Breakdown nutrients for absorption in the bloodstream

10. In digestion, chemical energy is transformed into

___________ energy.

Thermal Energy

15. What is glucose an example of?

Sugar

8. Give me 2 examples of physical digestion.

Break down of food by chewing & food being passed through the

digestive tract

2. What are the 2 main functions of the skeletal system?

Support & Protection

11. What kind of energy do sugar

molecules contain?

Chemical Energy

18. What are the levels of organization of living things from

least to most complex:

Cells, Tissues, Organs, Organ Systems,

Organism

6. Digestion is vital to all living things because….

It chemically breaks down large molecules into smaller molecules the body can use

17. Looking at your notes, what are 2 things you can tell me about organic

compounds?

1. They all contain Carbon (C)2. All things that are or were

once alive have organic molecules

7. There are 2 different types of digestion…what

are they?

Chemical & Physical Digestion

14. Is this change (carbs being broken down into simple surgars)

a chemical or physical change?

Chemical change

3. What is the function of the muscular system?

Movement

19. What are 3 examples of organs?

Liver, Heart, Lungs

13. When we ate the cracker last week, the flavor changed, why?

B/c a cracker is a carb and carbs break down into

surgar molecules in the digestive system

16. What contains organic compounds?

All living and things that were

once living

9. Give me 2 examples of a chemical change in the

digestion system

1. Saliva breaking down large molecules into small

molecules2. Hydrochloric Acid in stomach breaking down

food

What is a dependent variable?

A variable that changes because of the independent

variable

Jana wants to do an experiment to determine what brand of popcorn pops the

most kernels in the bag. What would be the independent variable in this

experiment?

Brand of popcorn

What is responsible for connecting bone to

muscle?

Tendons

Babies have 300 bones when they are born. Adults have 206. How

do we “lose” those extra bones as we get older?

Small bones connect with larger bones to create one big

bone

When conducting an experiment w/ an unknown substance, Alberisha found that

when touched with electrical wires nothing happened, the substance was not shiny, and broke easily. How would you classify

this substance?

Nonmetal

Brandon used a triple beam balance and determined that the mass of the rock shown was 274g. Use the image

below to determine the volume?

D=27.4 g/mL

What energy transformations take place when a battery-operated

radio is in use?

Chemical Electrical Sound